Home / 96,100.31-132,680.82-86,011.22

Finding the Fourth Proportional to 96,100.31, 132,680.82 and 86,011.22

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Solution

The fourth proportional to 96,100.31, 132,680.82 and 86,011.22 is: 118,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,100.31 : 132,680.82 = 86,011.22 : x
  2. Step 2: Convert to fraction form
    96,100.31/132,680.82 = 86,011.22/x
  3. Step 3: Cross multiply
    96,100.31x = 132,680.82 × 86,011.22
  4. Step 4: Simplify right side
    96,100.31x = 11,412,038,535.40
  5. Step 5: Solve for x
    x = 11,412,038,535.40/96,100.31
  6. Step 6: Final answer
    x = 118,751.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.